| Name | Role | Place | Source | |
|---|---|---|---|---|
| Alexandre Joseph Decoster | Father of groom | 1911 | Heverlee | Civil registration marriages |
| Joseph Alexandre Louis Ghislain Decoster | Father of bride | 1882 | Brussel | Civil registration marriages |
| Joseph Alexandre Louis Ghislain Decoster | Father of groom | 1873 | Brussel | Civil registration marriages |
| Joseph Alexandre Louis Ghislain Decoster | Father of groom | 1897 | Schaarbeek | Civil registration marriages |
| Joseph Alexandre Louis Ghislain Decoster | Child | 1823 | Leuven | Civil registration births |
| Joseph Alexandre Louis Ghislain Decoster | Groom | 1849 | Brussel | Civil registration marriages |
| Joseph Alexandre Louis Ghislaine Decoster | Father of groom | 1887 | Brussel | Civil registration marriages |
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